VVT and OCV replacement - Scionlife.com



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Old 07-21-2015, 03:38 AM   #1  
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Default VVT and OCV replacement

So I got the old check engine light, vsc light, and traction control lights on. Ran it thru a OBD 2 scanner and got the P0012 error code. (Camshaft Position 'A' Timing Over-Retarded). My 2006 xB has about 105k miles on it.

Started small and hoped for just dirty oil causing the problem, so got an oil change and a flush, but the error code returned

So on to the next steps, checking for and possibly replacing a faulty variable valve timing (VVT) or faulty oil control valve (OCV)

How much should checking and possibly replacing these at the mechanic cost? Or, if I go a DIY route, do I need to drain the oil again to take out the VVT to check it?

Advice much appreciated, thank you!
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Old 07-27-2015, 03:52 PM   #2  
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Default VVT

You don't need to drain your oil, From what I hear its hard to accurately test it . Its easier to just replace it.
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Old 08-02-2015, 08:13 PM   #3  
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Default Sensor

Facing the front of the motor there is a Camshaft sensor on the right. Pull it out and clean it off with some brake cleaner and a Scotch Brite Pad. Mine looked like a piece of Caramel and was over doing the VVT. No need to drain oil.
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